aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ODROIDN2 [ODROID-N2], device 0: fe.dai-link-0 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: ODROIDN2 [ODROID-N2], device 1: fe.dai-link-1 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: ODROIDN2 [ODROID-N2], device 2: fe.dai-link-2 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pulse
PulseAudio Sound Server
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
default
Playback/recording through the PulseAudio sound server
sysdefault:CARD=ODROIDN2
ODROID-N2,
Default Audio Device
dmix:CARD=ODROIDN2,DEV=0
ODROID-N2,
Direct sample mixing device
dmix:CARD=ODROIDN2,DEV=1
ODROID-N2,
Direct sample mixing device
dmix:CARD=ODROIDN2,DEV=2
ODROID-N2,
Direct sample mixing device
dsnoop:CARD=ODROIDN2,DEV=0
ODROID-N2,
Direct sample snooping device
dsnoop:CARD=ODROIDN2,DEV=1
ODROID-N2,
Direct sample snooping device
dsnoop:CARD=ODROIDN2,DEV=2
ODROID-N2,
Direct sample snooping device
hw:CARD=ODROIDN2,DEV=0
ODROID-N2,
Direct hardware device without any conversions
hw:CARD=ODROIDN2,DEV=1
ODROID-N2,
Direct hardware device without any conversions
hw:CARD=ODROIDN2,DEV=2
ODROID-N2,
Direct hardware device without any conversions
plughw:CARD=ODROIDN2,DEV=0
ODROID-N2,
Hardware device with all software conversions
plughw:CARD=ODROIDN2,DEV=1
ODROID-N2,
Hardware device with all software conversions
plughw:CARD=ODROIDN2,DEV=2
ODROID-N2,
Hardware device with all software conversions
usbstream:CARD=ODROIDN2
ODROID-N2
USB Stream Output